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net/af_iucv: replace open-coded U16_MAX

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Improve the readability of a range check.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2020-05-19 21:10:10 +02:00 committed by David S. Miller
parent 585bc22095
commit 0d1c7664ed
1 changed files with 2 additions and 1 deletions
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3
net/iucv/af_iucv.c
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@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@ -1559,7 +1560,7 @@ static int iucv_sock_setsockopt(struct socket *sock, int level, int optname,
switch (sk->sk_state) {
case IUCV_OPEN:
case IUCV_BOUND:
if (val < 1 || val > (u16)(~0))
if (val < 1 || val > U16_MAX)
rc = -EINVAL;
else
iucv->msglimit = val;